Home / 27,908.92-38,514.14-15,162.00

Finding the Fourth Proportional to 27,908.92, 38,514.14 and 15,162.00

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Solution

The fourth proportional to 27,908.92, 38,514.14 and 15,162.00 is: 20,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,908.92 : 38,514.14 = 15,162.00 : x
  2. Step 2: Convert to fraction form
    27,908.92/38,514.14 = 15,162.00/x
  3. Step 3: Cross multiply
    27,908.92x = 38,514.14 × 15,162.00
  4. Step 4: Simplify right side
    27,908.92x = 583,951,198.11
  5. Step 5: Solve for x
    x = 583,951,198.11/27,908.92
  6. Step 6: Final answer
    x = 20,923.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.